Resident Population in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (MSA) was 6329.11800 Thous. of Persons in January of 2025, according to the United States Federal Reserve. Historically, Resident Population in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (MSA) reached a record high of 6330.42200 in January of 2024 and a record low of 5693.27500 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (MSA) - last updated from the United States Federal Reserve on June of 2026.